
package com.controller;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONArray;
import com.annotation.IgnoreAuth;
import com.baomidou.mybatisplus.mapper.EntityWrapper;
import com.entity.*;
import com.entity.view.ShangpinOrderView;
import com.service.*;
import com.utils.*;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.BeanUtils;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.*;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import java.io.File;
import java.math.BigDecimal;
import java.net.URL;
import java.util.*;

/**
 * 商品订单
 */
@RestController
@Controller
@RequestMapping("/shangpinOrder")
public class ShangpinOrderController {

    private static final Logger logger = LoggerFactory.getLogger(ShangpinOrderController.class);

    @Resource
    private ShangpinOrderService shangpinOrderService;

    @Resource
    private AddressService addressService;//收货地址

    @Resource
    private CartService cartService;//购物车

    @Resource
    private DictionaryService dictionaryService;//字典

    @Resource
    private ShangjiaService shangjiaService;//商家

    @Resource
    private ShangpinService shangpinService;//商品

    @Resource
    private ShangpinCommentbackService shangpinCommentbackService;//商品评价

    @Resource
    private YonghuService yonghuService;//用户

    /**
     * 后端列表
     */
    @RequestMapping("/page")
    public R page(@RequestParam Map<String, Object> params, HttpServletRequest request) {
        String role = String.valueOf(request.getSession().getAttribute("role"));
        if ("用户".equals(role))
            params.put("yonghuId", request.getSession().getAttribute("userId"));
        else if ("商家".equals(role))
            params.put("shangjiaId", request.getSession().getAttribute("userId"));
        CommonUtil.checkMap(params);
        PageUtils page = shangpinOrderService.queryPage(params);

        //字典表数据转换
        List<ShangpinOrderView> list = (List<ShangpinOrderView>) page.getList();
        for (ShangpinOrderView c : list) {
            //修改对应字典表字段
            dictionaryService.dictionaryConvert(c, request);
        }
        return R.ok().put("data", page);
    }

    /**
     * 后端详情
     */
    @RequestMapping("/info/{id}")
    public R info(@PathVariable("id") Long id, HttpServletRequest request) {
        ShangpinOrderEntity shangpinOrder = shangpinOrderService.selectById(id);
        if (shangpinOrder != null) {
            //entity转view
            ShangpinOrderView view = new ShangpinOrderView();
            BeanUtils.copyProperties(shangpinOrder, view);//把实体数据重构到view中
            //级联表 收货地址
            AddressEntity address = addressService.selectById(shangpinOrder.getAddressId());
            if (address != null) {
                BeanUtils.copyProperties(address, view, new String[]{"id", "createTime", "insertTime", "updateTime", "yonghuId"});//把级联的数据添加到view中,并排除id和创建时间字段,当前表的级联注册表
                view.setAddressId(address.getId());
            }
            //级联表 商品
            //级联表
            ShangpinEntity shangpin = shangpinService.selectById(shangpinOrder.getShangpinId());
            if (shangpin != null) {
                BeanUtils.copyProperties(shangpin, view, new String[]{"id", "createTime", "insertTime", "updateTime", "yonghuId"});//把级联的数据添加到view中,并排除id和创建时间字段,当前表的级联注册表
                view.setShangpinId(shangpin.getId());
            }
            //级联表 用户
            //级联表
            YonghuEntity yonghu = yonghuService.selectById(shangpinOrder.getYonghuId());
            if (yonghu != null) {
                BeanUtils.copyProperties(yonghu, view, new String[]{"id", "createTime", "insertTime", "updateTime", "yonghuId"});//把级联的数据添加到view中,并排除id和创建时间字段,当前表的级联注册表
                view.setYonghuId(yonghu.getId());
            }
            //修改对应字典表字段
            dictionaryService.dictionaryConvert(view, request);
            return R.ok().put("data", view);
        } else {
            return R.error(511, "查不到数据");
        }

    }

    /**
     * 后端保存
     */
    @RequestMapping("/save")
    public R save(@RequestBody ShangpinOrderEntity shangpinOrder, HttpServletRequest request) {
        String role = String.valueOf(request.getSession().getAttribute("role"));
        if ("用户".equals(role))
            shangpinOrder.setYonghuId(Integer.valueOf(String.valueOf(request.getSession().getAttribute("userId"))));

        shangpinOrder.setCreateTime(new Date());
        shangpinOrder.setInsertTime(new Date());
        shangpinOrderService.insert(shangpinOrder);

        return R.ok();
    }

    /**
     * 后端修改
     */
    @RequestMapping("/update")
    public R update(@RequestBody ShangpinOrderEntity shangpinOrder) throws NoSuchFieldException, ClassNotFoundException, IllegalAccessException, InstantiationException {
        shangpinOrderService.updateById(shangpinOrder);//根据id更新
        return R.ok();
    }

    /**
     * 删除
     */
    @RequestMapping("/delete")
    public R delete(@RequestBody Integer[] ids) {
        shangpinOrderService.deleteBatchIds(Arrays.asList(ids));
        return R.ok();
    }


    /**
     * 批量上传
     */
    @RequestMapping("/batchInsert")
    public R save(String fileName, HttpServletRequest request) {
        try {
            List<ShangpinOrderEntity> shangpinOrderList = new ArrayList<>();//上传的东西
            Map<String, List<String>> seachFields = new HashMap<>();//要查询的字段
            int lastIndexOf = fileName.lastIndexOf(".");
            if (lastIndexOf == -1) {
                return R.error(511, "该文件没有后缀");
            } else {
                String suffix = fileName.substring(lastIndexOf);
                if (!".xls".equals(suffix)) {
                    return R.error(511, "只支持后缀为xls的excel文件");
                } else {
                    URL resource = this.getClass().getClassLoader().getResource("static/upload/" + fileName);//获取文件路径
                    File file = new File(resource.getFile());
                    if (!file.exists()) {
                        return R.error(511, "找不到上传文件，请联系管理员");
                    } else {
                        List<List<String>> dataList = PoiUtil.poiImport(file.getPath());//读取xls文件
                        dataList.remove(0);//删除第一行，因为第一行是提示
                        for (List<String> data : dataList) {
                            //循环
                            ShangpinOrderEntity shangpinOrderEntity = new ShangpinOrderEntity();
                            shangpinOrderList.add(shangpinOrderEntity);

                            //把要查询是否重复的字段放入map中
                            //订单号
                            if (seachFields.containsKey("shangpinOrderUuidNumber")) {
                                List<String> shangpinOrderUuidNumber = seachFields.get("shangpinOrderUuidNumber");
                                shangpinOrderUuidNumber.add(data.get(0));//要改的
                            } else {
                                List<String> shangpinOrderUuidNumber = new ArrayList<>();
                                shangpinOrderUuidNumber.add(data.get(0));//要改的
                                seachFields.put("shangpinOrderUuidNumber", shangpinOrderUuidNumber);
                            }
                        }

                        //查询是否重复
                        //订单号
                        List<ShangpinOrderEntity> shangpinOrderEntities_shangpinOrderUuidNumber = shangpinOrderService.selectList(new EntityWrapper<ShangpinOrderEntity>().in("shangpin_order_uuid_number", seachFields.get("shangpinOrderUuidNumber")));
                        if (shangpinOrderEntities_shangpinOrderUuidNumber.size() > 0) {
                            ArrayList<String> repeatFields = new ArrayList<>();
                            for (ShangpinOrderEntity s : shangpinOrderEntities_shangpinOrderUuidNumber) {
                                repeatFields.add(s.getShangpinOrderUuidNumber());
                            }
                            return R.error(511, "数据库的该表中的 [订单号] 字段已经存在 存在数据为:" + repeatFields.toString());
                        }
                        shangpinOrderService.insertBatch(shangpinOrderList);
                        return R.ok();
                    }
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
            return R.error(511, "批量插入数据异常，请联系管理员");
        }
    }

    /**
     * 前端列表
     */
    @IgnoreAuth
    @RequestMapping("/list")
    public R list(@RequestParam Map<String, Object> params, HttpServletRequest request) {

        CommonUtil.checkMap(params);
        PageUtils page = shangpinOrderService.queryPage(params);
        //字典表数据转换
        List<ShangpinOrderView> list = (List<ShangpinOrderView>) page.getList();
        for (ShangpinOrderView c : list)
            dictionaryService.dictionaryConvert(c, request); //修改对应字典表字段

        return R.ok().put("data", page);
    }

    /**
     * 前端详情
     */
    @RequestMapping("/detail/{id}")
    public R detail(@PathVariable("id") Long id, HttpServletRequest request) {
        ShangpinOrderEntity shangpinOrder = shangpinOrderService.selectById(id);
        if (shangpinOrder != null) {
            //entity转view
            ShangpinOrderView view = new ShangpinOrderView();
            BeanUtils.copyProperties(shangpinOrder, view);//把实体数据重构到view中

            //级联表
            AddressEntity address = addressService.selectById(shangpinOrder.getAddressId());
            if (address != null) {
                BeanUtils.copyProperties(address, view, new String[]{"id", "createDate"});//把级联的数据添加到view中,并排除id和创建时间字段
                view.setAddressId(address.getId());
            }
            //级联表
            ShangpinEntity shangpin = shangpinService.selectById(shangpinOrder.getShangpinId());
            if (shangpin != null) {
                BeanUtils.copyProperties(shangpin, view, new String[]{"id", "createDate"});//把级联的数据添加到view中,并排除id和创建时间字段
                view.setShangpinId(shangpin.getId());
            }
            //级联表
            YonghuEntity yonghu = yonghuService.selectById(shangpinOrder.getYonghuId());
            if (yonghu != null) {
                BeanUtils.copyProperties(yonghu, view, new String[]{"id", "createDate"});//把级联的数据添加到view中,并排除id和创建时间字段
                view.setYonghuId(yonghu.getId());
            }
            //修改对应字典表字段
            dictionaryService.dictionaryConvert(view, request);
            return R.ok().put("data", view);
        } else {
            return R.error(511, "查不到数据");
        }
    }


    /**
     * 前端保存
     */
    @RequestMapping("/add")
    public R add(@RequestBody ShangpinOrderEntity shangpinOrder, HttpServletRequest request) {
        ShangpinEntity shangpinEntity = shangpinService.selectById(shangpinOrder.getShangpinId());
        if (shangpinEntity == null) {
            return R.error(511, "查不到该商品");
        }
        if (false) {
        } else if (shangpinEntity.getShangpinNewMoney() == null) {
            return R.error(511, "现价不能为空");
        } else if ((shangpinEntity.getShangpinKucunNumber() - shangpinOrder.getBuyNumber()) < 0) {
            return R.error(511, "购买数量不能大于库存数量");
        }

        //计算所获得积分
        Double buyJifen = 0.0;
        Integer userId = (Integer) request.getSession().getAttribute("userId");
        YonghuEntity yonghuEntity = yonghuService.selectById(userId);
        if (yonghuEntity == null)
            return R.error(511, "用户不能为空");
        if (yonghuEntity.getNewMoney() == null)
            return R.error(511, "用户金额不能为空");
        double balance = yonghuEntity.getNewMoney() - shangpinEntity.getShangpinNewMoney() * shangpinOrder.getBuyNumber();//余额
        if (balance < 0)
            return R.error(511, "余额不够支付");
        shangpinOrder.setShangpinOrderTypes(101); //设置订单状态为已支付
        shangpinOrder.setShangpinOrderTruePrice(shangpinEntity.getShangpinNewMoney() * shangpinOrder.getBuyNumber()); //设置实付价格
        shangpinOrder.setYonghuId(userId); //设置订单支付人id
        shangpinOrder.setShangpinOrderUuidNumber(String.valueOf(new Date().getTime()));
        shangpinOrder.setShangpinOrderPaymentTypes(1);
        shangpinOrder.setInsertTime(new Date());
        shangpinOrder.setCreateTime(new Date());
        shangpinEntity.setShangpinKucunNumber(shangpinEntity.getShangpinKucunNumber() - shangpinOrder.getBuyNumber());
        shangpinService.updateById(shangpinEntity);
        shangpinOrderService.insert(shangpinOrder);//新增订单
        //更新第一注册表
        yonghuEntity.setNewMoney(balance);//设置金额
        yonghuService.updateById(yonghuEntity);

        ShangjiaEntity shangjiaEntity = shangjiaService.selectById(shangpinEntity.getShangjiaId());
        shangjiaEntity.setNewMoney(shangjiaEntity.getNewMoney() + shangpinOrder.getShangpinOrderTruePrice());//动态计算金额
        shangjiaService.updateById(shangjiaEntity);

        return R.ok();
    }

    /**
     * 添加订单
     */
    @RequestMapping("/order")
    public R add(@RequestParam Map<String, Object> params, HttpServletRequest request) {
        String shangpinOrderUuidNumber = String.valueOf(new Date().getTime());

        //获取当前登录用户的id
        Integer userId = (Integer) request.getSession().getAttribute("userId");
        Integer addressId = Integer.valueOf(String.valueOf(params.get("addressId")));

        Integer shangpinOrderPaymentTypes = Integer.valueOf(String.valueOf(params.get("shangpinOrderPaymentTypes")));//支付类型

        String data = String.valueOf(params.get("shangpins"));
        JSONArray jsonArray = JSON.parseArray(data);
        List<Map> shangpins = JSON.parseObject(jsonArray.toString(), List.class);

        //获取当前登录用户的个人信息
        YonghuEntity yonghuEntity = yonghuService.selectById(userId);

        //当前订单表
        List<ShangpinOrderEntity> shangpinOrderList = new ArrayList<>();
        //商家表
        ArrayList<ShangjiaEntity> shangjiaList = new ArrayList<>();
        //商品表
        List<ShangpinEntity> shangpinList = new ArrayList<>();
        //购物车ids
        List<Integer> cartIds = new ArrayList<>();

        BigDecimal zhekou = new BigDecimal(1.0);

        //循环取出需要的数据
        for (Map<String, Object> map : shangpins) {
            //取值
            Integer shangpinId = Integer.valueOf(String.valueOf(map.get("shangpinId")));//商品id
            Integer buyNumber = Integer.valueOf(String.valueOf(map.get("buyNumber")));//购买数量
            ShangpinEntity shangpinEntity = shangpinService.selectById(shangpinId);//购买的商品
            String id = String.valueOf(map.get("id"));
            if (StringUtil.isNotEmpty(id))
                cartIds.add(Integer.valueOf(id));
            //获取商家信息
            Integer shangjiaId = shangpinEntity.getShangjiaId();
            ShangjiaEntity shangjiaEntity = shangjiaService.selectById(shangjiaId);//商家

            //判断商品的库存是否足够
            if (shangpinEntity.getShangpinKucunNumber() < buyNumber) {
                //商品库存不足直接返回
                return R.error(shangpinEntity.getShangpinName() + "的库存不足");
            } else {
                //商品库存充足就减库存
                shangpinEntity.setShangpinKucunNumber(shangpinEntity.getShangpinKucunNumber() - buyNumber);
            }

            //订单信息表增加数据
            ShangpinOrderEntity shangpinOrderEntity = new ShangpinOrderEntity<>();

            //赋值订单信息
            shangpinOrderEntity.setShangpinOrderUuidNumber(shangpinOrderUuidNumber);//订单号
            shangpinOrderEntity.setAddressId(addressId);//收货地址
            shangpinOrderEntity.setShangpinId(shangpinId);//商品
            shangpinOrderEntity.setYonghuId(userId);//用户
            shangpinOrderEntity.setBuyNumber(buyNumber);//购买数量 ？？？？？？
            shangpinOrderEntity.setShangpinOrderTypes(101);//订单类型
            shangpinOrderEntity.setShangpinOrderPaymentTypes(shangpinOrderPaymentTypes);//支付类型
            shangpinOrderEntity.setInsertTime(new Date());//订单创建时间
            shangpinOrderEntity.setCreateTime(new Date());//创建时间

            //判断是什么支付方式 1代表余额 2代表积分
            if (shangpinOrderPaymentTypes == 1) {//余额支付
                //计算金额
                Double money = new BigDecimal(shangpinEntity.getShangpinNewMoney()).multiply(new BigDecimal(buyNumber)).multiply(zhekou).doubleValue();

                if (yonghuEntity.getNewMoney() - money < 0) {
                    return R.error("余额不足,请充值！！！");
                } else {
                    //计算所获得积分
                    Double buyJifen = 0.0;
                    yonghuEntity.setNewMoney(yonghuEntity.getNewMoney() - money); //设置金额


                    shangpinOrderEntity.setShangpinOrderTruePrice(money);

                    //修改商家余额
                    shangjiaEntity.setNewMoney(shangjiaEntity.getNewMoney() + money);
                }
            }
            shangpinOrderList.add(shangpinOrderEntity);
            shangjiaList.add(shangjiaEntity);
            shangpinList.add(shangpinEntity);

        }
        shangpinOrderService.insertBatch(shangpinOrderList);
        shangjiaService.updateBatchById(shangjiaList);
        shangpinService.updateBatchById(shangpinList);
        yonghuService.updateById(yonghuEntity);
        if (cartIds != null && cartIds.size() > 0)
            cartService.deleteBatchIds(cartIds);

        return R.ok();
    }

    /**
     * 退款
     */
    @RequestMapping("/refund")
    public R refund(Integer id, HttpServletRequest request) {
        ShangpinOrderEntity shangpinOrder = shangpinOrderService.selectById(id);//当前表service
        Integer buyNumber = shangpinOrder.getBuyNumber();
        Integer shangpinOrderPaymentTypes = shangpinOrder.getShangpinOrderPaymentTypes();
        Integer shangpinId = shangpinOrder.getShangpinId();
        if (shangpinId == null)
            return R.error(511, "查不到该商品");
        ShangpinEntity shangpinEntity = shangpinService.selectById(shangpinId);
        if (shangpinEntity == null)
            return R.error(511, "查不到该商品");
        //获取商家信息
        Integer shangjiaId = shangpinEntity.getShangjiaId();
        ShangjiaEntity shangjiaEntity = shangjiaService.selectById(shangjiaId);//商家
        Double shangpinNewMoney = shangpinEntity.getShangpinNewMoney();
        if (shangpinNewMoney == null)
            return R.error(511, "商品价格不能为空");

        Integer userId = (Integer) request.getSession().getAttribute("userId");
        YonghuEntity yonghuEntity = yonghuService.selectById(userId);
        if (yonghuEntity == null)
            return R.error(511, "用户不能为空");
        if (yonghuEntity.getNewMoney() == null)
            return R.error(511, "用户金额不能为空");
        Double zhekou = 1.0;

        //判断是什么支付方式 1代表余额 2代表积分
        if (shangpinOrderPaymentTypes == 1) {//余额支付
            //计算金额
            Double money = shangpinEntity.getShangpinNewMoney() * buyNumber * zhekou;
            //计算所获得积分
            Double buyJifen = 0.0;
            yonghuEntity.setNewMoney(yonghuEntity.getNewMoney() + money); //设置金额

            //修改商家余额
            shangjiaEntity.setNewMoney(shangjiaEntity.getNewMoney() - money);
        }

        shangpinEntity.setShangpinKucunNumber(shangpinEntity.getShangpinKucunNumber() + buyNumber);


        shangpinOrder.setShangpinOrderTypes(102);//设置订单状态为已退款
        shangpinOrderService.updateById(shangpinOrder);//根据id更新
        shangjiaService.updateById(shangjiaEntity);
        yonghuService.updateById(yonghuEntity);//更新用户信息
        shangpinService.updateById(shangpinEntity);//更新订单中商品的信息

        return R.ok();
    }

    /**
     * 评价
     */
    @RequestMapping("/commentback")
    public R commentback(Integer id, String commentbackText, Integer shangpinCommentbackPingfenNumber, HttpServletRequest request) {
        ShangpinOrderEntity shangpinOrder = shangpinOrderService.selectById(id);
        if (shangpinOrder == null)
            return R.error(511, "查不到该订单");
        Integer shangpinId = shangpinOrder.getShangpinId();
        if (shangpinId == null)
            return R.error(511, "查不到该商品");

        ShangpinCommentbackEntity shangpinCommentbackEntity = new ShangpinCommentbackEntity();
        shangpinCommentbackEntity.setId(id);
        shangpinCommentbackEntity.setShangpinId(shangpinId);
        shangpinCommentbackEntity.setYonghuId((Integer) request.getSession().getAttribute("userId"));
        shangpinCommentbackEntity.setShangpinCommentbackText(commentbackText);
        shangpinCommentbackEntity.setInsertTime(new Date());
        shangpinCommentbackEntity.setReplyText(null);
        shangpinCommentbackEntity.setUpdateTime(null);
        shangpinCommentbackEntity.setCreateTime(new Date());
        shangpinCommentbackService.insert(shangpinCommentbackEntity);

        shangpinOrder.setShangpinOrderTypes(105);//设置订单状态为已评价
        shangpinOrderService.updateById(shangpinOrder);//根据id更新
        return R.ok();
    }

    /**
     * 发货
     */
    @RequestMapping("/deliver")
    public R deliver(Integer id, String shangpinOrderCourierNumber, String shangpinOrderCourierName, HttpServletRequest request) {
        logger.debug("refund:,,Controller:{},,ids:{}", this.getClass().getName(), id.toString());
        ShangpinOrderEntity shangpinOrderEntity = shangpinOrderService.selectById(id);
        shangpinOrderEntity.setShangpinOrderTypes(103);//设置订单状态为已发货
        shangpinOrderEntity.setShangpinOrderCourierNumber(shangpinOrderCourierNumber);
        shangpinOrderEntity.setShangpinOrderCourierName(shangpinOrderCourierName);
        shangpinOrderService.updateById(shangpinOrderEntity);

        return R.ok();
    }


    /**
     * 收货
     */
    @RequestMapping("/receiving")
    public R receiving(Integer id, HttpServletRequest request) {
        logger.debug("refund:,,Controller:{},,ids:{}", this.getClass().getName(), id.toString());
        ShangpinOrderEntity shangpinOrderEntity = shangpinOrderService.selectById(id);
        shangpinOrderEntity.setShangpinOrderTypes(104);//设置订单状态为收货
        shangpinOrderService.updateById(shangpinOrderEntity);
        return R.ok();
    }

}

